<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>

<canvas id="test" width=300 height=400>
	hello
</canvas>
<script type="text/javascript">

var ctx = document.getElementById("test").getContext("2d");
ctx.beginPath();
ctx.strokeStyle = "red";
ctx.rect(3.5, 3.5, 200, 183.5);
ctx.stroke();
</script>
</body>
</html>